Home / 61,997.09-85,557.75-35,138.51

Finding the Fourth Proportional to 61,997.09, 85,557.75 and 35,138.51

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Solution

The fourth proportional to 61,997.09, 85,557.75 and 35,138.51 is: 48,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.09 : 85,557.75 = 35,138.51 : x
  2. Step 2: Convert to fraction form
    61,997.09/85,557.75 = 35,138.51/x
  3. Step 3: Cross multiply
    61,997.09x = 85,557.75 × 35,138.51
  4. Step 4: Simplify right side
    61,997.09x = 3,006,371,426.16
  5. Step 5: Solve for x
    x = 3,006,371,426.16/61,997.09
  6. Step 6: Final answer
    x = 48,492.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.